:root {
  --navy-950: #04101f;
  --navy-900: #07172c;
  --navy-850: #0a1e39;
  --navy-800: #102b4d;
  --blue-600: #2c6f9f;
  --cyan-200: #b8ddf2;
  --gold-500: #caa45d;
  --gold-300: #ead49a;
  --paper: #f5f7fb;
  --white: #ffffff;
  --ink: #111827;
  --muted: #6b7280;
  --line-dark: rgba(255, 255, 255, 0.14);
  --line-light: #dce4ee;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--navy-950);
  color: var(--white);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
  letter-spacing: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  padding: 0 72px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.11);
  background: rgba(4, 16, 31, 0.78);
  backdrop-filter: blur(18px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 13px;
  min-width: 230px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: auto;
  height: auto;
  border: 0;
  color: var(--gold-300);
  background: transparent;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 24px;
  font-weight: 700;
  line-height: 1;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 16px;
  font-weight: 700;
}

.brand small {
  margin-top: 2px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 11px;
}

.nav {
  align-items: center;
  display: flex;
  gap: 34px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 14px;
}

.nav a {
  padding: 28px 0;
}

.nav a:hover {
  color: var(--gold-300);
}

.hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  align-items: end;
  overflow: hidden;
  padding: 150px 72px 64px;
  background:
    linear-gradient(90deg, rgba(4, 16, 31, 0.98) 0%, rgba(4, 16, 31, 0.9) 36%, rgba(4, 16, 31, 0.36) 100%),
    url("./assets/deep-blue-capital-grid.png") right center / cover no-repeat;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 42%;
  background: linear-gradient(0deg, var(--navy-950), rgba(4, 16, 31, 0));
  pointer-events: none;
}

.hero-media {
  position: absolute;
  right: 72px;
  bottom: 92px;
  width: 420px;
  height: 420px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.01)),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.05) 0 1px, transparent 1px 52px),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.04) 0 1px, transparent 1px 52px);
  opacity: 0.72;
}

.hero-media::before,
.hero-media::after {
  content: "";
  position: absolute;
  border: 1px solid rgba(234, 212, 154, 0.36);
}

.hero-media::before {
  inset: 42px;
}

.hero-media::after {
  inset: 100px;
  transform: rotate(45deg);
}

.hero-content {
  position: relative;
  z-index: 4;
  max-width: 880px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 18px;
  color: var(--gold-300);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 820px;
  margin-bottom: 28px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 76px;
  line-height: 1.04;
  font-weight: 700;
}

.hero-lead {
  max-width: 760px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 22px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 38px 0 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid rgba(234, 212, 154, 0.64);
  font-size: 14px;
  font-weight: 700;
}

.button-primary {
  color: var(--navy-950);
  background: var(--gold-300);
}

.button-ghost {
  color: var(--white);
  background: rgba(255, 255, 255, 0.04);
}

.button-footer {
  color: var(--gold-300);
  background: transparent;
}

.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-proof span {
  padding: 10px 14px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.82);
  font-size: 14px;
}

.hero-panel {
  position: absolute;
  z-index: 3;
  right: 72px;
  bottom: 64px;
  width: 360px;
  padding: 26px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(7, 23, 44, 0.72);
  backdrop-filter: blur(18px);
}

.hero-panel p {
  margin-bottom: 14px;
  color: var(--gold-300);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.hero-panel strong {
  display: block;
  margin-bottom: 12px;
  font-size: 23px;
  line-height: 1.45;
}

.hero-panel span {
  color: rgba(255, 255, 255, 0.66);
  font-size: 14px;
  line-height: 1.7;
}

.intro-band,
.english-section {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 76px;
  padding: 112px 72px;
  background: var(--navy-950);
  border-top: 1px solid var(--line-dark);
}

.intro-copy h2,
.section-heading h2,
.framework-title h2,
.coverage-section h2,
.contact-copy h2,
.english-section h2 {
  margin-bottom: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 46px;
  line-height: 1.18;
  font-weight: 700;
}

.intro-band > p,
.english-section > p {
  color: rgba(255, 255, 255, 0.72);
  font-size: 18px;
  line-height: 1.95;
}

.client-section {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  padding: 0 72px 112px;
  background: var(--navy-950);
}

.client-section article,
.service-grid article,
.framework-steps article {
  border: 1px solid var(--line-dark);
  background: rgba(255, 255, 255, 0.045);
}

.client-section article {
  min-height: 250px;
  padding: 30px;
}

.client-section span,
.service-grid span,
.framework-steps span {
  color: var(--gold-300);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 15px;
  font-weight: 700;
}

.client-section h3,
.service-grid h3,
.framework-steps h3 {
  font-family: Georgia, "Times New Roman", serif;
  margin: 28px 0 14px;
  font-size: 23px;
}

.client-section p,
.service-grid p,
.framework-steps p {
  margin: 0;
  color: rgba(255, 255, 255, 0.66);
  font-size: 15px;
  line-height: 1.85;
}

.service-section {
  padding: 112px 72px;
  color: var(--white);
  background: linear-gradient(180deg, var(--navy-950), var(--navy-900));
  border-top: 1px solid var(--line-dark);
}

.section-heading {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 58px;
  align-items: end;
  margin-bottom: 44px;
}

.section-heading .section-kicker,
.service-section .section-kicker {
  color: var(--gold-300);
}

.section-heading p:last-child {
  margin: 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 17px;
  line-height: 1.85;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.service-grid article {
  min-height: 360px;
  padding: 28px;
  border-color: var(--line-dark);
  background: rgba(255, 255, 255, 0.045);
}

.service-grid h3 {
  color: var(--white);
}

.service-grid p {
  color: rgba(255, 255, 255, 0.66);
}

.service-grid span {
  color: var(--gold-300);
}

.framework-section {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 58px;
  padding: 112px 72px;
  background: linear-gradient(180deg, var(--navy-900), var(--navy-950));
}

.framework-steps {
  display: grid;
  gap: 16px;
}

.framework-steps article {
  min-height: 188px;
  padding: 28px;
}

.framework-steps h3 {
  margin-top: 16px;
}

.coverage-section {
  display: grid;
  grid-template-columns: 0.6fr 1.4fr;
  gap: 64px;
  padding: 92px 72px;
  background:
    linear-gradient(90deg, rgba(4, 16, 31, 0.94), rgba(16, 43, 77, 0.86)),
    url("./assets/deep-blue-capital-grid.png") center / cover no-repeat;
}

.coverage-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.coverage-list li {
  display: flex;
  align-items: center;
  min-height: 58px;
  padding: 0 18px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.055);
  color: rgba(255, 255, 255, 0.82);
  font-size: 15px;
  font-weight: 700;
}

.english-section {
  background: var(--navy-900);
}

.contact-section {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: 58px;
  align-items: center;
  padding: 108px 72px;
  background:
    linear-gradient(90deg, rgba(4, 16, 31, 0.96), rgba(16, 43, 77, 0.82)),
    url("./assets/deep-blue-capital-grid.png") center / cover no-repeat;
  border-top: 1px solid var(--line-dark);
}

.contact-copy h2 {
  margin-bottom: 22px;
}

.contact-copy p:last-child {
  max-width: 650px;
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 18px;
  line-height: 1.85;
}

.contact-panel {
  min-height: 260px;
  display: grid;
  align-content: center;
  gap: 22px;
  padding: 34px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(7, 23, 44, 0.74);
}

.contact-panel span {
  color: var(--gold-300);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.contact-panel strong {
  max-width: 420px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 30px;
  line-height: 1.35;
}

.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 38px 72px;
  border-top: 1px solid var(--line-dark);
  background: var(--navy-950);
}

.footer strong {
  display: block;
  margin-bottom: 8px;
  font-size: 18px;
}

.footer p {
  margin: 0;
  color: rgba(255, 255, 255, 0.58);
  font-size: 14px;
}

@media (max-width: 1120px) {
  .site-header,
  .hero,
  .intro-band,
  .service-section,
  .framework-section,
  .coverage-section,
  .contact-section,
  .english-section,
  .footer {
    padding-left: 40px;
    padding-right: 40px;
  }

  .client-section {
    padding-left: 40px;
    padding-right: 40px;
  }

  .nav {
    gap: 22px;
  }

  h1 {
    font-size: 62px;
  }

  .hero-panel {
    position: relative;
    right: auto;
    bottom: auto;
    width: 100%;
    max-width: 560px;
    margin-top: 42px;
  }

  .hero {
    align-items: center;
  }

  .service-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .coverage-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}


@media (max-width: 760px) {
  .site-header {
    height: 70px;
    padding: 0 20px;
  }

  .brand {
    min-width: 0;
  }

  .nav {
    display: none;
  }

  .hero {
    min-height: auto;
    padding: 120px 20px 52px;
  }

  .hero-media {
    display: none;
  }

  h1 {
    font-size: 46px;
  }

  .hero-lead {
    font-size: 18px;
  }

  .hero-panel {
    padding: 22px;
  }

  .intro-band,
  .section-heading,
  .framework-section,
  .coverage-section,
  .contact-section,
  .english-section {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .intro-band,
  .service-section,
  .framework-section,
  .coverage-section,
  .contact-section,
  .english-section {
    padding: 68px 20px;
  }

  .client-section,
  .service-grid {
    grid-template-columns: 1fr;
  }

  .client-section {
    padding: 0 20px 68px;
  }

  .coverage-list {
    grid-template-columns: 1fr;
  }

  .intro-copy h2,
  .section-heading h2,
  .framework-title h2,
  .coverage-section h2,
  .contact-copy h2,
  .english-section h2 {
    font-size: 34px;
  }

  .footer {
    align-items: flex-start;
    flex-direction: column;
    padding: 32px 20px;
  }
}